Base | Representation |
---|---|
bin | 11101110101110101100110… |
… | …001101010100100111010100 |
3 | 122012200201012110001211201211 |
4 | 131311311212031110213110 |
5 | 114200241211242312322 |
6 | 1143044114342031204 |
7 | 36433665433066606 |
oct | 3565654615244724 |
9 | 565621173054654 |
10 | 131243030432212 |
11 | 388aa9471a8996 |
12 | 12877941418504 |
13 | 583021aa005aa |
14 | 245a2a753d176 |
15 | 1028debd21b77 |
hex | 775d663549d4 |
131243030432212 has 24 divisors (see below), whose sum is σ = 239681638627200. Its totient is φ = 62763049220256.
The previous prime is 131243030432203. The next prime is 131243030432231. The reversal of 131243030432212 is 212234030342131.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59786887 + ... + 61943182.
It is an arithmetic number, because the mean of its divisors is an integer number (9986734942800).
Almost surely, 2131243030432212 is an apocalyptic number.
It is an amenable number.
131243030432212 is a deficient number, since it is larger than the sum of its proper divisors (108438608194988).
131243030432212 is a wasteful number, since it uses less digits than its factorization.
131243030432212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 121741815 (or 121741813 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 31.
Adding to 131243030432212 its reverse (212234030342131), we get a palindrome (343477060774343).
The spelling of 131243030432212 in words is "one hundred thirty-one trillion, two hundred forty-three billion, thirty million, four hundred thirty-two thousand, two hundred twelve".
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